CN205066240U - Heat pump idle call microchannel heat exchanger - Google Patents

Heat pump idle call microchannel heat exchanger Download PDF

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Publication number
CN205066240U
CN205066240U CN201520603223.7U CN201520603223U CN205066240U CN 205066240 U CN205066240 U CN 205066240U CN 201520603223 U CN201520603223 U CN 201520603223U CN 205066240 U CN205066240 U CN 205066240U
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China
Prior art keywords
header
heat exchanger
pressure manifold
heat
flat tube
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CN201520603223.7U
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Chinese (zh)
Inventor
周景春
兰兆忠
黄锋
马亚玲
朱丽星
滑翔
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ZHENJIANG KANGSHENG HEAT EXCHANGER CO Ltd
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ZHENJIANG KANGSHENG HEAT EXCHANGER CO Ltd
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Priority to CN201520603223.7U priority Critical patent/CN205066240U/en
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Abstract

The utility model discloses a heat pump idle call microchannel heat exchanger, hollow first pressure manifold including vertical setting, the second pressure manifold, the horizontal spacing set up between first pressure manifold and second pressure manifold and with a plurality of flat pipe of first pressure manifold and second pressure manifold intercommunication, and set up at first pressure manifold, second pressure manifold both ends and with first pressure manifold, the end cover that the second pressure manifold is sealed, first pressure manifold upper end intercommunication has the import pipe, first pressure manifold lower extreme intercommunication has the outlet pipe, still include a plurality of fins of parallel spaced, the flat pipe setting of each fin perpendicular to, each fin includes a plurality of heat dissipation unit, this heat pump idle call microchannel heat exchanger windage is little, and enable to get rid of smoothly at the condensation dew that forms on the surface of heat exchanger, so the heat exchange efficiency can be improved, and this heat exchanger product structure is reasonable, processing is simple and easy feasible.

Description

Heat pump air conditioner micro-channel heat exchanger
Technical field:
The utility model relates to a kind of micro-channel heat exchanger, is specifically a kind of heat pump air conditioner micro-channel heat exchanger.
Background technology:
Heat pump type air conditioning system is made up of compressor, condenser, evaporimeter, throttling arrangement and cross valve etc., and wherein condenser and evaporimeter are the heat-exchanging parts of heat pump type air conditioner system, is referred to as heat exchanger.Along with the development of technology, parallel-flow heat exchanger application has been widely used in single cold type air-conditioner.Parallel-flow heat exchanger is generally based on aluminium, comprise header, be located at the inlet tube on header and outlet, connect between this header and some flat tubes of this header inner space and the fin that is arranged between adjacent flat tube, this some flat tube is parallel to each other and interval is arranged.
Existing parallel-flow heat exchanger, header is formed horizontally disposed flat tube groove, so that flat tube is parallel and come between header, flat tube groove becomes vertical with the center line of header, can not get rid of dew that flat tube surface produces due to the temperature difference so also exist and reduce efficiency of heat exchanger.In addition, water droplet can be formed in the middle of fin when dew gathers together, frosting area be increased more, causes heat exchange amount sharply to decline.
In heat pump type air conditioning system, use as evaporimeter again because same heat exchanger should use as condenser.As under heating condition in the winter time, because between external environment and the cooling medium flowing through flat tube inside, formation temperature is poor, dew liquid film can be produced on the surface of flat tube, to such an extent as to also water droplet is formed in the middle of fin, if dew discharges from flat tube and fin surface not in time, add that environment temperature is very low, frost can be produced on flat tube surface in the short period of time, and the increase of frosting area reduces the overall heat exchange efficiency of heat exchanger.
Current heat pump air conditioner has intelligent defrosting function, due to parallel-flow heat exchanger structure design defect in the past in defrost cycle process, the dew on flat tube surface cannot be got rid of all the time, observe through test of many times, normal heating condition is completed back from first time defrost phase, surperficial frost less than the time period flat tube of 5 minutes regenerates, and the generation of this phenomenon not only affects product function but also yield and quality can be made to go wrong.
Utility model content:
Technical problem to be solved in the utility model is, a kind of heat pump air conditioner micro-channel heat exchanger that can improve heat exchange efficiency is provided, this heat pump air conditioner micro-channel heat exchanger windage is little, and the condensation dew formed on the surface of heat exchanger can be made successfully to get rid of, and this heat-exchanger products is rational in infrastructure, processing simple and feasible.
Technical solution of the present utility model is, a kind of heat pump air conditioner micro-channel heat exchanger is provided, comprise the first header of the hollow vertically arranged, second header, horizontal interval to be arranged between the first header with the second header and the some flat tubes be communicated with the second header with the first header, and be arranged on the first header, second header two ends by the first header, the end cap of the second header sealing, first header upper end is communicated with inlet tube, first header lower end is communicated with outlet, also comprise some fins of parallel interval, each fin is arranged perpendicular to flat tube, each fin comprises some heat-sink units, heat-sink unit end is extended deflector for each, the deflector of each heat-sink unit is interconnected, flat tube groove is also provided with between the front end of adjacent two heat-sink units, each flat tube corresponding inserted is in the flat tube groove of fin, the microchannel for flow of refrigerant is provided with in flat tube, first header and the second header inside are provided with the shunting partition for intercepting cold-producing medium.
To adopt after above structure compared with prior art, the utility model has the following advantages: this heat pump air conditioner micro-channel heat exchanger windage is little, and the condensation dew adopting the fin of this structure can make to be formed on the surface of heat exchanger is successfully got rid of, this heat-exchanger products is rational in infrastructure, processing simple and feasible.
As preferably, each heat-sink unit offers shutter.
As preferably, shunting partition is also provided with through hole, in order to tapped refrigerant.
As preferably, the first header, the second header, flat tube, fin are made by aluminum or aluminum alloy material.
Further, the free end of deflector is also provided with rhone or osculum.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of flat tube and fin.
Detailed description of the invention:
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As depicted in figs. 1 and 2, a kind of heat pump air conditioner micro-channel heat exchanger, comprise the first header of the hollow vertically arranged, second header, horizontal interval to be arranged between the first header with the second header and the some flat tubes 3 be communicated with the second header with the first header, and be arranged on the first header, second header two ends by the first header, the end cap 11 of the second header sealing, first header upper end is communicated with inlet tube 6, first header lower end is communicated with outlet 9, also comprise some fins 4 of parallel interval, each fin 4 is arranged perpendicular to flat tube 3, each fin 4 comprises some heat-sink units 42, heat-sink unit 42 end is extended deflector 41 for each, for strengthening the effect of water conservancy diversion condensed water, the free end of deflector 41 is also provided with rhone or osculum, the deflector of each heat-sink unit is interconnected, flat tube groove is also provided with between the front end of adjacent two heat-sink units, each flat tube 3 corresponding inserted is in the flat tube groove of fin, that is, when flat tube is inserted in the flat tube groove of fin, the deflector of fin protrudes from flat tube, thus solve the technical barrier being difficult to condensation dew to be discharged after original fin is connected with flat tube, the microchannel for flow of refrigerant is provided with in flat tube, first header and the second header inside are provided with the shunting partition 8 for intercepting cold-producing medium, in the present embodiment, a shunting partition is provided with in second header, second header is separated into two parts, be respectively the first throughput 1 being positioned at the second header top and the second throughput 2 being positioned at the second header bottom, two shunting partitions 8 are provided with in first header, first header is separated into top throughput 5, middle part throughput 7 and bottom throughput 10, top throughput 5 is connected with inlet tube 6, circulate 10 and be connected with outlet 9 in bottom.In addition, the first header, the second header, flat tube 3, fin 4 are made by aluminum or aluminum alloy material.For improving radiating effect, each heat-sink unit 42 offers shutter.Simultaneously, in order to better make cold-producing medium at header and flat Bottomhole pressure, shunting partition 8 is also provided with through hole, in order to tapped refrigerant, namely the flow of cold-producing medium is regulated by the through hole on shunting partition, make some refrigerant enter flat tube, another part cold-producing medium directly enters next throughput of header by shunting partition.
In the present embodiment, flat pipes of micro-channel heat exchangers 3 width is 20mm, and tube pitch is 8.4 ± 1mm, and the first header, the second header pipe external diameter are wall thickness is 1.5 ± 0.2mm, and fin width is 28 ± 1mm, and spacing is 1.18mm.
In the heat pump air conditioner micro-channel heat exchanger of this structure in the utility model, when this heat exchanger is as evaporimeter, the cold-producing medium of the first header top throughput is flowed into after flowing through inlet tube, due to the stop of the first header internal shunt dividing plate, some refrigerant just flows in one group of flat tube being connected on the second header, then the middle part throughput that one group of flat tube enters the first header is again flow through again, be blocked in again the upper of the first header inside, lower split-flow baffles stopped, the second throughput of the second header is again entered through flat tube, so repeatedly, the fin be simultaneously connected between flat tube strengthens the exchange heat of cold-producing medium and air, then successively according to said process circulation flowing and carry out heat exchange, cold-producing medium is discharged from the outlet of the first header bottom.When this heat exchanger is as condenser, the circulating direction of cold-producing medium in heat exchanger is contrary with as circulating direction during evaporimeter.
Therefore, the condensed water that the surface of the flat tube of the heat exchanger of the utility model structure and fin produce along radiating fin wide go out the part of flat tube and deflector just can discharge smoothly, even if heat exchange for a long time, due to liquid film can be removed by continuous print, add the reasonable setting of refrigerant circulation passage, can efficiency of heat exchanger be improved, prevent corrosion simultaneously.
Below be only described with regard to the utility model preferred embodiment, but can not be interpreted as it is limitations on claims.Every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion, include within scope of patent protection of the present utility model.

Claims (5)

1. a heat pump air conditioner micro-channel heat exchanger, comprise the first header of the hollow vertically arranged, second header, horizontal interval to be arranged between the first header with the second header and the some flat tubes be communicated with the second header with the first header, and be arranged on the first header, second header two ends by the first header, the end cap of the second header sealing, first header upper end is communicated with inlet tube, first header lower end is communicated with outlet, it is characterized in that: the some fins also comprising parallel interval, each fin is arranged perpendicular to flat tube, each fin comprises some heat-sink units, heat-sink unit end is extended deflector for each, the deflector of each heat-sink unit is interconnected, flat tube groove is also provided with between the front end of adjacent two heat-sink units, each flat tube corresponding inserted is in the flat tube groove of fin, the microchannel for flow of refrigerant is provided with in flat tube, first header and the second header inside are provided with the shunting partition for intercepting cold-producing medium.
2. a kind of heat pump air conditioner micro-channel heat exchanger according to claim 1, is characterized in that: each heat-sink unit offers shutter.
3. a kind of heat pump air conditioner micro-channel heat exchanger according to claim 1, is characterized in that: shunting partition is also provided with through hole, in order to tapped refrigerant.
4. a kind of heat pump air conditioner micro-channel heat exchanger according to claim 1, is characterized in that: the first header, the second header, flat tube, fin are made by aluminum or aluminum alloy material.
5. a kind of heat pump air conditioner micro-channel heat exchanger according to claim 1, is characterized in that: the free end of deflector is also provided with rhone or osculum.
CN201520603223.7U 2015-08-12 2015-08-12 Heat pump idle call microchannel heat exchanger Active CN205066240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520603223.7U CN205066240U (en) 2015-08-12 2015-08-12 Heat pump idle call microchannel heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520603223.7U CN205066240U (en) 2015-08-12 2015-08-12 Heat pump idle call microchannel heat exchanger

Publications (1)

Publication Number Publication Date
CN205066240U true CN205066240U (en) 2016-03-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105135753A (en) * 2015-08-12 2015-12-09 浙江康盛热交换器有限公司 Micro channel heat exchanger for heat pump air conditioner
CN107314573A (en) * 2016-04-27 2017-11-03 苏州三星电子有限公司 A kind of micro channel heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105135753A (en) * 2015-08-12 2015-12-09 浙江康盛热交换器有限公司 Micro channel heat exchanger for heat pump air conditioner
CN107314573A (en) * 2016-04-27 2017-11-03 苏州三星电子有限公司 A kind of micro channel heat exchanger
CN107314573B (en) * 2016-04-27 2019-08-13 苏州三星电子有限公司 A kind of micro channel heat exchanger

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